Ascuba divers vertical position in relation to the surface of the water changes by -90 ft in 3 min. what is the average change in the divers vertical position each minute?

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)